You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <embeddedin geicontinue="10|Stub|110" />
  </query-continue>
  <query>
    <pages>
      <page pageid="36" ns="0" title="Template for a Page" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="673" counter="9244" length="1851" />
      <page pageid="40" ns="0" title="Places" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="231" counter="18005" length="1411" />
      <page pageid="41" ns="0" title="People in the Old Testament" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="889" counter="12695" length="1828" />
      <page pageid="85" ns="0" title="CMS for Churches" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="630" counter="16595" length="22454" />
      <page pageid="86" ns="0" title="Management Software for Churches" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="1175" counter="5176" length="2882" />
      <page pageid="93" ns="0" title="Template for a Media Page" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="1479" counter="3317" length="2614" />
      <page pageid="101" ns="0" title="Connie Scott" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="827" counter="10066" length="3939" />
      <page pageid="103" ns="0" title="Mitchell Family Books" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="627" counter="7558" length="6928" new="" />
      <page pageid="107" ns="0" title="Canadian Church Press" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="637" counter="3255" length="891" new="" />
      <page pageid="108" ns="0" title="ChristianArtists.ca" contentmodel="wikitext" pagelanguage="en" touched="2018-08-09T15:39:39Z" lastrevid="639" counter="2505" length="1564" />
    </pages>
  </query>
</api>